Abstract
Land suitability analysis, commonly known as land evaluation, is considered an interface between land resourcesurvey and land use planning and management. Land evaluation be carried out to estimate the suitability of land fora specific use such as arable farming or irrigated agriculture. There are several established techniques for generatingland suitability evaluation. This research was carried out to evaluate the capability of a combined fuzzy AHP methodfor land suitability evaluation for barley crops in the southwest of Iran, and to compare the results with the standardmethod of the FAO framework. Eight soil parameters were chosen for cropland suitability analysis and thematicmaps were developed with Kriging method for each of these parameters. Different fuzzy membership functionsobtained from the literature were employed and weights for each parameter were calculated according to AHP.Landscape and soil requirements for barley were determined based on the FAO method. Finally, land suitabilityclasses were provided for each land unit. Comparing the results with expert judgments shows that the fuzzy AHPmethod has a higher accuracy than the standard FAO method. Further development of the fuzzy AHP method wouldbe advantageous for improving the accuracy of land suitability analysis.
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